Home / 124,645,211.03-186,971,625.50-42,762,940.72

Finding the Fourth Proportional to 124,645,211.03, 186,971,625.50 and 42,762,940.72

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Solution

The fourth proportional to 124,645,211.03, 186,971,625.50 and 42,762,940.72 is: 64,145,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,645,211.03 : 186,971,625.50 = 42,762,940.72 : x
  2. Step 2: Convert to fraction form
    124,645,211.03/186,971,625.50 = 42,762,940.72/x
  3. Step 3: Cross multiply
    124,645,211.03x = 186,971,625.50 × 42,762,940.72
  4. Step 4: Simplify right side
    124,645,211.03x = 7,995,456,537,578,540
  5. Step 5: Solve for x
    x = 7,995,456,537,578,540/124,645,211.03
  6. Step 6: Final answer
    x = 64,145,717.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.